State chapter
This atlas lists 3 plates in Oklahoma, including Black Mesa, Wichita Mountains, and Salt Plains National Wildlife Refuge.
Oklahoma has 3 plates in this atlas across hill and playa country.

Oklahoma
Plate CCLXVIIOklahoma Panhandle, Cimarron County, Oklahoma
Oklahoma’s last mesa, still wearing grass.
Open plate →
Plate CCLXXIIWichita Mountains NWR, Comanche County, Oklahoma
Granite islands in a sea of grass.
Open plate →
Alfalfa County, Oklahoma
A white plain that grows hourglass crystals.
Open plate →